Stone Free, Castles Made of Sand, All Along the Watchtower, Hey Joe...those are some of the real good ones but I dig all his songs
There is no way to choose a single best song. Everyone's posted a list, hahaha. Jimi is the man. It's amazing how much was in the can when he died. There was a few posthumous albums in the early 1970s and then the 2000 30th Anniversary was the Purple Box and the 40th Anniversary the Seattle Boy Box.